#304575

#304575

Color Values

HEX

#304575

RGB

48, 69, 117

HSL

221.7, 41.8%, 32.4%

HSV

221.7, 59.0%, 45.9%

CMYK

59.0%, 41.0%, 0.0%, 54.1%

OKLCH

0.3976 0.0856 264.9

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#304575

#756030

Analogous

#306875

#3E3075

#304575

Triadic

#304575

#753045

#457530

Split Complementary

#304575

#753E30

#687530

Tetradic

#304575

#753068

#756030

#30753E

Color Blindness Simulation

Original

#304575

Protanopia

#393969

Deuteranopia

#383667

Tritanopia

#31605E

Achromatopsia

#444444

CSS Usage

background-color: #304575;
color: #304575;
border-color: #304575;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F6FA
100
#E7EBF3
200
#CCD5EA
300
#A8B8DB
400
#7991C8
500
#4A6BB5
600
#3B5591
700
#2F4474
800
#25355A
900
#1E2943
950
#131A2A

Contrast Checker

Text on white

9.4:1

AA Pass AAA Pass

Text on black

2.23:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026